| 74.0.0.0/8 | WHOIS (ARIN) | American Registry for Internet Numbers | US |
| 74.4.0.0/15 | BGP route | AS209 CenturyLink Communications, LLC | — |
| 74.4.0.0/15 | WHOIS (ARIN) | CenturyLink Communications, LLC | US |
| 74.4.0.0/15 | ARIN assigned | — | US |
| 74.4.192.0/19 | BGP route | AS2379 CenturyLink Communications, LLC | — |
| 74.5.0.0/19 | BGP route | AS19901 Brightspeed | — |
| 74.5.64.0/19 | BGP route | AS17402 CenturyLink Communications, LLC | — |
| 74.5.128.0/19 | BGP route | AS19901 Brightspeed | — |
| 74.5.224.0/19 | BGP route | AS2379 CenturyLink Communications, LLC | — |
| 74.4.48.0/20 | BGP route | AS209 CenturyLink Communications, LLC | — |
| 74.4.96.0/20 | BGP route | AS2379 CenturyLink Communications, LLC | — |
| 74.4.160.0/20 | BGP route | AS2379 CenturyLink Communications, LLC | — |
| 74.4.16.0/21 | BGP route | AS22561 CenturyLink Communications, LLC | — |
| 74.4.176.0/21 | BGP route | AS14921 CenturyLink Communications, LLC | — |
| 74.4.224.0/21 | BGP route | AS5778 CenturyLink Communications, LLC | — |
| 74.4.224.0/21 | WHOIS (ARIN) | NeoNova Network Services | US |
| 74.4.240.0/21 | BGP route | AS19901 Brightspeed | — |
| 74.5.168.0/21 | BGP route | AS2379 CenturyLink Communications, LLC | — |
| 74.5.192.0/21 | BGP route | AS13787 CenturyLink Communications, LLC | — |
| 74.5.200.0/21 | BGP route | AS22561 CenturyLink Communications, LLC | — |
| 74.5.208.0/21 | BGP route | AS17402 CenturyLink Communications, LLC | — |
| 74.4.104.0/22 | BGP route | AS209 CenturyLink Communications, LLC | — |
| 74.4.16.0/23 | WHOIS (ARIN) | Embarq Corporation | US |
| 74.4.108.0/23 | BGP route | AS209 CenturyLink Communications, LLC | — |
| 74.5.126.0/23 | BGP route | AS19901 Brightspeed | — |
| 74.5.168.0/23 | WHOIS (ARIN) | The Top Spot Third Millennium | US |
| 74.4.5.0/24 | BGP route | AS22561 CenturyLink Communications, LLC | — |
| 74.4.7.0/24 | BGP route | AS4284 CenturyLink Communications, LLC | — |
| 74.4.8.0/24 | BGP route | AS11398 CenturyLink Communications, LLC | — |
| 74.4.9.0/24 | BGP route | AS4283 CenturyLink Communications, LLC | — |
| 74.4.10.0/24 | BGP route | AS2379 CenturyLink Communications, LLC | — |
| 74.4.11.0/24 | BGP route | AS4282 CenturyLink Communications, LLC | — |
| 74.4.12.0/24 | BGP route | AS13787 CenturyLink Communications, LLC | — |
| 74.4.13.0/24 | BGP route | AS13787 CenturyLink Communications, LLC | — |
| 74.4.20.0/24 | WHOIS (ARIN) | City of Johnson City | US |
| 74.4.21.0/24 | WHOIS (ARIN) | Jones Media | US |
| 74.4.23.0/24 | WHOIS (ARIN) | Johnson City Library | US |
| 74.4.25.0/24 | WHOIS (ARIN) | Med Central Health Systems | US |
| 74.4.31.0/24 | BGP route | AS54274 Henny Penny Corporation | — |
| 74.4.31.0/24 | WHOIS (ARIN) | Henny Penny Corporation | US |
| 74.4.110.0/24 | BGP route | AS209 CenturyLink Communications, LLC | — |
| 74.5.92.0/24 | WHOIS (ARIN) | Lake Region Medical | US |
| 74.5.94.0/24 | WHOIS (ARIN) | Sterilmed | US |
| 74.5.124.0/24 | BGP route | AS19901 Brightspeed | — |
| 74.5.173.0/24 | WHOIS (ARIN) | Century Communications | US |
| 74.5.174.0/24 | WHOIS (ARIN) | MILLENIUM PHYSICIAN GROUP | US |
| 74.5.195.0/24 | WHOIS (ARIN) | Erban Associates | US |
| 74.5.196.0/24 | WHOIS (ARIN) | Mountain States Health Alliance | US |
| 74.5.203.0/24 | WHOIS (ARIN) | Advantage Computer Entertainment | US |
| 74.5.224.0/24 | WHOIS (ARIN) | Terranovus | US |
| 74.5.225.0/24 | WHOIS (ARIN) | Terranovus | US |
| 74.5.227.0/24 | WHOIS (ARIN) | Terranovus | US |
| 74.5.230.0/24 | WHOIS (ARIN) | Terranovus | US |
| 74.5.239.0/24 | WHOIS (ARIN) | Lee County Schools | US |
| 74.5.240.0/24 | WHOIS (ARIN) | Naples Freenet | US |
| 74.5.241.0/24 | WHOIS (ARIN) | HUNTINGTON LAKES RESIDENCE ASSOC | US |
| 74.5.243.0/24 | WHOIS (ARIN) | Nick Simicich | US |
| 74.5.244.0/24 | WHOIS (ARIN) | CREWS BANKING CORP | US |
| 74.5.245.0/24 | WHOIS (ARIN) | Naples Freenet | US |
| 74.5.246.0/24 | WHOIS (ARIN) | Hole Montes & Associates | US |
| 74.5.247.0/24 | BGP route | AS209 CenturyLink Communications, LLC | — |
| 74.5.247.0/24 | WHOIS (ARIN) | Hole Montes & Associates | US |
| 74.5.248.0/24 | WHOIS (ARIN) | 21st Century ONC Therapy | US |
| 74.5.249.0/24 | WHOIS (ARIN) | The Hometown Network | US |
| 74.5.250.0/24 | WHOIS (ARIN) | The Hometown Network | US |
| 74.5.251.0/24 | WHOIS (ARIN) | The Hometown Network | US |
| 74.5.200.128/25 | WHOIS (ARIN) | Geary County School District | US |
| 74.5.229.128/25 | WHOIS (ARIN) | Goodlette Pine Ridge | US |
| 74.5.237.0/25 | WHOIS (ARIN) | Vistanet | US |
| 74.5.238.128/25 | WHOIS (ARIN) | PREMIER EXECUTIVE CENTER | US |
| 74.5.255.128/25 | WHOIS (ARIN) | Premier Properties | US |
| 74.4.154.0/26 | WHOIS (ARIN) | VERTEX DATA UTILITY SERVI | US |
| 74.5.93.0/26 | WHOIS (ARIN) | STERILMED INC | US |
| 74.5.117.0/26 | WHOIS (ARIN) | Roaring Spring Blank Book Company | US |
| 74.5.194.128/26 | WHOIS (ARIN) | Carroll Co Schools | US |
| 74.5.198.0/26 | WHOIS (ARIN) | DTR | US |
| 74.5.198.64/26 | WHOIS (ARIN) | Minco Inc | US |
| 74.5.199.192/26 | WHOIS (ARIN) | Whites Fresh Foods | US |
| 74.5.201.0/26 | WHOIS (ARIN) | Prairie Band Potawatomi Nation | US |
| 74.5.204.0/26 | WHOIS (ARIN) | Wolf Creek Nuclear | US |
| 74.5.213.0/26 | WHOIS (ARIN) | Promise Technology - Viscom Technology | US |
| 74.5.213.64/26 | WHOIS (ARIN) | CIS Wholesale | US |
| 74.5.213.192/26 | WHOIS (ARIN) | Liberty Diversified Industries | US |